I've had a few 69-72B 440 auto cars with them. All my 69-72B 440 4-spd cars had them. None of my 65-72B/E 383/400 4-spd had them. Have seen a couple 318B's with the rears.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/ motormangj@gmail.com